Whole numbers are _____ integers. . . . .A. always. B. sometimes. C. never
2 answers:
Whole numbers are sometimes integers.
- The set of natural numbers (also called the set of counting numbers) is denoted by N:
- Natural numbers together with zero called are called whole numbers. The set of whole numbers is denoted by W:
- The set of natural numbers are not enough for all the number problems in everyday life. For example, natural numbers cannot be used to write some winter temperatures, since such temperatures may be less than zero i.e., negative numbers.
- The set of integers are the union of the set of negative numbers with the set of natural numbers and zero. The set of integers is denoted by Z:
- The set of negative integers is denoted by Z⁻:
- The set of positive integers is denoted by Z⁺:
- The set of non-negative integers are the set of all positive integers together with zero.
- The set of non-positive integers are the set of all negative integers together with zero.
Conclusion:
Whole numbers are sometimes integers because negative integers are not part of whole numbers. In other words, whole numbers are not fully integers.
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Examples of integers around us:
- The height of an airplane flight typically between 31,000 and 38,000 feet.
- Ice melts at 0⁰C.
- This diver is swimming at -20 m.
- 9 ten thousand divided by 10 in unit form brainly.com/question/4786449
- What represents the simplified form of an expression: 5(14 - 2)² ÷ 2 brainly.com/question/1602237
- Explanations and an example of a question about the four types of number form brainly.com/question/4725342
Keywords: whole numbers are sometimes integers, always, never, natural, counting, zero, negative integers, positive, the set
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Answer:
A) 18°
Step-by-step explanation:
To find the measure of the indicated angle, we can use trigonometric ratios.
Looking at the triangle, we can see that we are given the lengths of the two legs of the triangle, but not the hypotenuse. Since we are not given the hypotenuse, the sine and cosine ratios would not work since both of them require the length of the hypotenuse. We can use the tangent ratio, since it only requires the lengths of the two legs. Remember:
From looking at the image, we can see that the length of the side opposite to the angle is 3, and the length of the side adjacent to the angle is 9. Thus, we can use 3 as out opposite and 9 as out adjacent:
Now we solve for ?. Lets take the inverse tan of both sides to get rid of the tan on the left side:
And we get:
? ≈ 18.4349488° ≈ 18°
So the answer would be 18°, or A.
I hope you find my answer to be helpful. Happy studying.